Without delay, let's solve this. We've got 775 and we will be multiplying it by 5, that is, adding 775 to itself 5 times.
Step 1: 0 + 775 = 775
Step 2: 775 + 775 = 1550
Step 3: 1550 + 775 = 2325
Step 4: 2325 + 775 = 3100
Step 5: 3100 + 775 = 3875

So, 775*5 = 3875